[ Astrobiology (Journal) ] The NASA Viking Program laid the framework for Mars science, technology, and exploration.
biosignature
Posted inFossils & Paleontology
Where Was This Fossil 200 Million Years Ago?
[University of Barcelona] Calculating a fossil’s position throughout geological history is a complex process. In palaeontology and other disciplines, determining a location in the past is quite a challenge that […]
Posted inUncategorized
UKs Key Habitable Worlds Observatory Instrument In NASA’s Hunt For Earth-like Worlds
[Royal Astronomical Society] UK astronomers are a step closer to playing a leading role in NASA’s search for alien life in the coming decades, after receiving £3million to continue developing […]
![[SETI Institute] On the morning of July 20, 1976, roughly 40 minutes after mission controllers received word that the Viking 1 lander had successfully touched down on the surface of Mars, this photo gave us our first view from the surface of the Red Planet. NASA/JPL larger image](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/07/50-Years.png?resize=1200%2C460&ssl=1)
Posted inMars
50 Years After Viking 1: The Mission That Changed The Search For Life On Mars
[SETI Institute] For thousands of years, Mars has inspired myths, speculation and scientific curiosity. Fifty years ago today, humanity took a major step toward understanding our neighboring world when Viking […]
Posted inMars
Survival and Detectability of Mars-Derived Organic Carbon in Phobos Regolith: A Quantitative Hardness Taxonomy for MMX Sample Analysis
[eartharxiv.org] The Martian Moons eXploration (MMX) mission will return ≥ 10 g of Phobos regolith containing a small fraction of Mars-derived impact ejecta (Ramsley and Head, 2013; Chappaz et al., […]
Posted inSETI & Technosignatures
A Dual-Burst Geometrical Prescription For Concurrent Signaling
[astro-ph.IM] We propose a dual-burst implementation of concurrent signaling for technosignature searches.
Posted inBiosignatures & Paleobiology
Mineral Biosignature Identification From Raman Spectroscopy Using Machine Learning
[PNAS] Biosignature detection remains a key challenge in astrobiology, yet robust mineral biosignatures remain limited. Raman spectroscopy is increasingly applied in planetary exploration, but its high-dimensional spectral information has not […]
![The New jersey meteorite -- [SETI Institute]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/07/ALien-World.png?resize=1200%2C900&ssl=1)
Posted inAstrochemistry
Alien World Chemistry Found Inside A Meteorite that Struck A New Jersey Home
[SETI Institute] On July 16, 2024 a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty. Now, an international […]
Posted inExoplanets, -moons, -comets
Distant Exoplanets May Be Hiding Water Beyond Webb Telescope’s Reach, Study Finds
[University of Chicago] The planets that appear most common in the universe could have a lot of water—but it could be hiding where telescopes can’t detect it, according to a […]
Posted inAstrochemistry
Sugar Erythrulose Discovered In Interstellar Space
[Spanish National Research Council (CSIC)] Sugars are key biomolecules in living organisms, as they form the backbone of DNA and RNA and play a fundamental role in metabolic processes. In […]